diff --git a/divviup/build.gradle.kts b/divviup/build.gradle.kts
index a440524..fd8b01a 100644
--- a/divviup/build.gradle.kts
+++ b/divviup/build.gradle.kts
@@ -54,7 +54,7 @@ dependencies {
     testImplementation("com.fasterxml.jackson.core:jackson-databind:2.16.0")
     testImplementation("ch.qos.logback:logback-core:1.4.12")
     testImplementation("ch.qos.logback:logback-classic:1.4.12")
-    testImplementation("commons-io:commons-io:2.15.0")
+    testImplementation("commons-io:commons-io:2.15.1")
     testImplementation("org.mockito:mockito-core:5.7.0")
     androidTestImplementation(project(":divviup:commontest"))
     androidTestImplementation("androidx.test.ext:junit:1.1.5")